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Finding the Fourth Proportional to 401,359.66, 602,139.83 and 283,261.66

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Solution

The fourth proportional to 401,359.66, 602,139.83 and 283,261.66 is: 424,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,359.66 : 602,139.83 = 283,261.66 : x
  2. Step 2: Convert to fraction form
    401,359.66/602,139.83 = 283,261.66/x
  3. Step 3: Cross multiply
    401,359.66x = 602,139.83 × 283,261.66
  4. Step 4: Simplify right side
    401,359.66x = 170,563,124,876.26
  5. Step 5: Solve for x
    x = 170,563,124,876.26/401,359.66
  6. Step 6: Final answer
    x = 424,963.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.